Insidious Intrahepatic Portal Vein Embolism Due to Superior Mesenteric Vein Aneurysm
Tohru Nakajima, Hiroshi Yasuhara, Kouichi Taniwaka
TL;DR
This paper reports a rare case of a silent liver vein blockage caused by a mesenteric vein aneurysm, highlighting the need for more research on this condition.
Contribution
The novelty lies in describing a case of asymptomatic intrahepatic portal vein embolism linked to a superior mesenteric vein aneurysm.
Findings
A case of silent intrahepatic portal vein embolism was observed in a patient with a superior mesenteric vein aneurysm.
Current understanding of SMV aneurysm management is limited, and more case accumulation is needed to define its natural history.
Abstract
There is limited information on the natural history of superior mesenteric vein (SMV) aneurysms. SMV aneurysms have the risk of aneurysm rupture due to enlargement and liver dysfunction caused by recurrent embolism. There have been a few reports of SMV aneurysms, but no clear guidelines exist regarding the management of SMV aneurysms. We report a case associated with ‘silent’ embolism of the intrahepatic portal vein without any clinical symptoms, which could be a part of its natural history. Accumulation of more cases is needed to more accurately understand the natural history of this rare disease.
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Taxonomy
TopicsVascular anomalies and interventions · Abdominal vascular conditions and treatments · Liver Disease and Transplantation